Patients undergo cognitive behavioral therapy comprising progressive muscle relaxation training, behavioral activation, seeking information as a coping strategy, enhancing social support, cognitive reappraisal, assertive communication, changing depressive core beliefs, goal setting and planning for maintenance, and maintenance over 1 hour once weekly sessions for 12-20 weeks, biweekly sessions for 4-6 weeks, and monthly sessions for 2-3 months for a total of 16-26 sessions.